Door lock



FIG. 1 is a top, front, left side perspective view of an embodiment of adoor lock;

FIG. 2 is a top, front, right side perspective view of FIG. 1;

FIG. 3 is a front elevation view of FIG. 1;

FIG. 4 is a rear elevation view of FIG. 1;

FIG. 5 is a left side elevation view of FIG. 1;

FIG. 6 is a right side elevation view of FIG. 1;

FIG. 7 is a top plan view of FIG. 1; and,

FIG. 8 is a bottom plan view of FIG. 1.

The dash-dash broken lines show portions of the door lock that form nopart of the claimed design. The dot-dash broken lines representboundaries of the claimed design and form no part of the claimed design.Any broken line illustration of environmental structure in the drawingis not part of the design sought to be patented.

CLAIM The ornamental design for a door lock, as shown and described.